Decimal Problems

Bobby Brown collected 32 stones, each weighing exactly 0.75 kg. How much did all his stones weigh altogether?

• 24 kg

• 28 kg

• 30 kg

• 32 kg

A fish store had 9 fish aquariums for sale. Each aquarium had a volume of 9.9 L. What is the total of volume of all the aquariums?

• 81.9 L

• 89.1 L

• 91.8 L

• 98.1 L

Mr. Kwan bought 12 amazing and delicious oranges to eat. Each orange cost $3.75 at Wellcome. How much money did he spend in total?

• $35.75

• $42.20

• $45.00

• $47.50

Tiny Timmy ran 3.85 km every day on Monday to Friday. He rested on the weekends. How far does he run every week in total?

• 10.5 km

• 15.4 km

• 18.25 km

• 19.25 km

Mr. Tanaka was writing a Maths quiz. There were 36 questions. Each question was worth 1.5 points each. How many points in total was the test?

• 52.5 points

• 54 points

• 57.5 points

• 62 points

Solve for Δ.

0.8 × Δ = 2.4

Δ =

• 3

• 4

• 5

• 6

Solve for Δ.

0.6 × Δ = 3.6

Δ =

• 5

• 5.5

• 6

• 6.5

Solve for Δ.

0.9 × Δ = 6.3

Δ =

• 5

• 7

• 9

• 11

Solve for Δ.

Δ x 2 = 3

Δ =

• 1.3

• 1.4

• 1.5

• 1.6

Solve for Δ.

Δ x 5 = 2.5

Δ =

• 5

• 1.5

• 0.15

• 0.5